Demodex phocidi (Acariformes: Demodecidae) from Phoca vitulina (Carnivora: Phocidae) – the second observation in the world and a supplement to the species description

2020 ◽  
Vol 49 (1) ◽  
pp. 49-55 ◽  
Author(s):  
Joanna N. Izdebska ◽  
Leszek Rolbiecki ◽  
Karolina Cierocka ◽  
Iwona Pawliczka

AbstractThe present study describes a finding of the demodecid mite Demodex phocidi in the seal Phoca vitulina in the Baltic Sea. This is the first identification in Europe and the second in the world. This is also the first observation of the Demodecidae family in the pinnipeds outside North America. A high density of demodecid mites was observed in the skin of the examined seal, but no symptoms of parasitosis were observed. Our findings also supplement the taxonomic description and morphometry of D. phocidi.

2019 ◽  

Since prehistoric times, the Baltic Sea has functioned as a northern mare nostrum — a crucial nexus that has shaped the languages, folklore, religions, literature, technology, and identities of the Germanic, Finnic, Sámi, Baltic, and Slavic peoples. This anthology explores the networks among those peoples. The contributions to Contacts and Networks in the Baltic Sea Region: Austmarr as a Northern mare nostrum, ca. 500-1500 ad address different aspects of cultural contacts around and across the Baltic from the perspectives of history, archaeology, linguistics, literary studies, religious studies, and folklore. The introduction offers a general overview of crosscultural contacts in the Baltic Sea region as a framework for contextualizing the volume’s twelve chapters, organized in four sections. The first section concerns geographical conceptions as revealed in Old Norse and in classical texts through place names, terms of direction, and geographical descriptions. The second section discusses the movement of cultural goods and persons in connection with elite mobility, the slave trade, and rune-carving practice. The third section turns to the history of language contacts and influences, using examples of Finnic names in runic inscriptions and Low German loanwords in Finnish. The final section analyzes intercultural connections related to mythology and religion spanning Baltic, Finnic, Germanic, and Sámi cultures. Together these diverse articles present a dynamic picture of this distinctive part of the world.


2000 ◽  
Vol 36 (5) ◽  
pp. 947-950 ◽  
Author(s):  
Gary L. A. Barker ◽  
Allan Konopka ◽  
Barbara A. Handley ◽  
Paul K. Hayes

Author(s):  
Silvija Ozola

The port city Liepaja had gained recognition in Europe and the world by World War I. On the coast of the Baltic Sea a resort developed, to which around 1880 a wide promenade – Kurhaus Avenue provided a functional link between the finance and trade centre in Old Liepaja. On November 8, 1890 the building conditions for Liepaja, developed according to the sample of Riga building regulations, were partly confirmed: the construction territory was divided into districts of wooden and stone buildings. In 1888 after the reconstruction of the trade canal Liepaja became the third most significant port in the Russian Empire. The railway (engineer Gavriil Semikolenov; 1879) and metal bridges (engineers Huten and Ruktesel; 1881) across the trade canal provided the link between Old Liepaja and the industrial territory in New Liepaja, where industrial companies and building of houses developed in the neighbourhood of the railway hub, but in spring 1899 the construction of a ten-kilometre long street electric railway line and power station was commenced. Since September 25 the tram movement provided a regular traffic between Naval Port (Latvian: Karosta), the residential and industrial districts in New Liepaja and the city centre in Old Liepaja. In 1907 the construction of the ambitious “Emperor Alexander’s III Military Port” and maritime fortress was completed, but already in the following year the fortress was closed. In the new military port there were based not only the navy squadrons of the Baltic Sea, but also the Pacific Ocean before sending them off in the war against Japan. The development of Liepaja continued: promenades, surrounded by Dutch linden trees, joined squares and parks in one united plantation system. On September 20, 1910 Liepaja City Council made a decision to close the New Market and start modernization of the city centre. In 1911 Liepaja obtained its symbol – the Rose Square. In the independent Republic of Latvia the implementation of the agrarian reform was started and the task to provide inhabitants with flats was set. Around 1927 in the Technical Department of Liepaja City the development of the master-plan was started: the territory of the city was divided into the industrial, commercial, residential and resort zone, which was greened. It was planned to lengthen Lord’s (Latvian: Kungu) Street with a dam, partly filling up Lake Liepaja in order to build the water-main and provide traffic with the eastern bank. The passed “Law of City Lands” and “Regulations for City Construction and Development of Construction Plans and Development Procedure” in Latvia Republic in 1928 promoted a gradual development of cities. In 1932 Liepaja received the radio transmitter. On the northern outskirts a sugar factory was built (architect Kārlis Bikše; 1933). The construction of the city centre was supplemented with the Latvian Society House (architect Kārlis Blauss and Valdis Zebauers; 1934-1935) and Army Economical Shop (architect Aleksandrs Racenis), as well as the building of a pawnshop and saving bank (architect Valdis Zebauers; 1936-1937). The hotel “Pēterpils”, which became the property of the municipality in 1936, was renamed as the “City Hotel” and it was rebuilt in 1938. In New Liepaja the Friendly Appeal Elementary school was built (architect Karlis Bikše), but in the Naval Officers Meeting House was restored and it was adapted for the needs of the Red Cross Bone Tuberculosis Sanatorium (architect Aleksandrs Klinklāvs; 1930-1939). The Soviet military power was restored in Latvia and it was included in the Union of Soviet Socialist Republics. During the World War II buildings in the city centre around the Rose Square and Great (Latvian: Lielā) Street were razed. When the war finished, the “Building Complex Scheme for 1946-1950” was developed for Liepaja. In August 1950 the city was announced as closed: the trade port was adapted to military needs. Neglecting the historical planning of the city, in 1952 the restoration of the city centre building was started, applying standard projects. The restoration of Liepaja City centre building carried out during the post-war period has not been studied. Research goal: analyse restoration proposals for Liepaja City centre building, destroyed during World War II, and the conception appropriate to the socialism ideology and further development of construction.


2014 ◽  
Vol 38 (1-2) ◽  
pp. 31-42
Author(s):  
Janusz Błaszkowski ◽  
Iwona Adamska ◽  
Beata Czerniawska

Morphological properties of spores and mycorrhizae of <i>Acaulospora scrobiculata</i> and <i>Glomus versiforme</i>, arbuscular fungi of the phylum <i>Glomeromycom</i>, were described and illustrated. The two species were revealed in trap cultures containing root-rhizosphere mixlures of plants colonizing maritime dunes of the Baltic Sea located in north-western Poland and then propagated in one-species cultures to characterize properties of their mycorrhizae. <i>Acaulospona scrobiculata</i> had not previously been found in Poland, and the only earlier finding of <i>Gl. versiforme</i> in this country comes from the year 1912. The known distribution of the two fungal species in the world is also presented.


2011 ◽  
Vol 45 (6) ◽  
pp. 26-34 ◽  
Author(s):  
Gunnar Möller

AbstractApproximately 175,000 mines were laid in the Baltic Sea during the world wars, and in former mined areas in general, 10‐30% of the mines remain sunken on the seabed. The search for a Swedish aircraft downed in 1952 led to the finding of previously unknown minefields in the Baltic Sea. Subsequent historic research has identified approximately 1,985 minefields in the Baltic Sea and 4,400 minefields in the North Sea. These historic minefields present an impediment to the use of the Baltic and North Seas and are a real danger to the increasing shipping, fishery, and exploration of the seabed. The Baltic Ordnance Safety Board (BOSB) was established in 2006 to assemble information on mines and other explosives in the Baltic Sea, to prioritize areas for mine clearance, and to coordinate multinational mine clearance efforts across the Baltic Sea. The BOSB has improved the efficiency of mine clearance and the safety of seafarers and all those who have the seabed as their working ground.


2019 ◽  
Vol 84 ◽  
pp. 19-28
Author(s):  
Aleksandra Gus-Puszczewicz

Each region of Poland has a potential that should be used for economic development. The primary advantages of the Pomeranian Voivodeship include coastal location, positioning at the mouth of the Vistula River to the Gulf of Gdańsk, possessing high density of inland waterways and diversity of landscape. The area has favourable conditions for the development of, among others, ports and tourism. There are two seaports in the Pomeranian Voivodeship in Gdańsk and Gdynia. The Port of Gdansk is one of the largest ports on the Baltic Sea and the largest in Poland. The tourism sector is also dynamically advancing in the voivodeship, increasingly making use of the natural potential of the region by offering various types of sports and recreational activities. The aim of this article is to assess the condition of, and to identify, selected factors of economic development which determine the revitalization of inland waterways in the Pomeranian Voivodeship.


2018 ◽  
Vol 188 (2) ◽  
pp. 19-30
Author(s):  
Jacek Fabisiak ◽  
Bartlomiej Paczek

After the World War II, acting under the terms of the Potsdam Agreement, the anti-Nazi coalition commenced destroying chemical and conventional munitions by dumping it in the seas (including in the Baltic Sea). As a result of these activities, tens of thousands of tons of ammunition were brought to the Baltic. The international project CHEMSEA has shown that dumped chemical munitions pose a threat to the environmental safety of the Baltic Sea, and that the need to collect and destroy munitions should be taken into account. The article describes the assumptions of a pilot system to identify chemical munitions in the Baltic Sea (including selected areas of the Polish Maritime Areas), assess its technical condition and the potential for its recovery. In addition, existing technical solutions (allowing for the use of the best available techniques – BAT) provide the opportunity to collect and neutralize sunken chemical munitions.


2021 ◽  
Vol 14 ◽  
pp. 7-9
Author(s):  
Nils Hanson ◽  

A new “Hanseatic League”, “a global hotspot for health”, “one of the most innovative science macro-regions in the world”? In the fields of life science and technology, politicians and managers of current large research projects describe the Baltic Sea region as a hub of cutting-edge research. How did these images emerge?


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